package com.space.school.controller;


import com.space.school.domain.Product;
import com.space.school.domain.User;
import com.space.school.services.ProductService;
import com.space.school.services.impl.ProductServiceImpl;
import com.space.school.utils.PageBean;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Map;

@WebServlet(name = "productInfoByPageServlet",value = "/productInfoByPageServlet")
public class Product_info_Servlet extends HttpServlet {
    ProductService productService = new ProductServiceImpl();
    @Override
    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
        req.setCharacterEncoding("UTF-8");
        String currentPage = req.getParameter("currentPage");
        if (currentPage == null || currentPage.equals("")) {
            currentPage = "1";
        }
        Map<String, String[]> map = req.getParameterMap();
//        每页显示页数
        int pageSize = 3;
        PageBean<Product> pb = productService.search(Integer.parseInt(currentPage), pageSize,map);
        req.setAttribute("pb", pb);
        req.setAttribute("product_name",req.getParameter("product_name"));
        req.setAttribute("product_status",req.getParameter("product_status"));
        req.setAttribute("category_name",req.getParameter("category_name"));
        req.getRequestDispatcher("productList.jsp").forward(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

//        1.
//        String username=req.getParameter("userName");
//        String status=req.getParameter("status");
//        取查询的条件

        req.setCharacterEncoding("UTF-8");
        //        获取当前页数
        String currentPage=req.getParameter("currentPage");
//        如果第一次进页面,当前页数为空或为null
        if(currentPage==null || currentPage.equals("")){
            currentPage="1";
        }
        //        进行数据查询 findAll 的方法
        //        将查询的结果集个放进页面
//       每页显示页数
        int pageSize=3;
        Map<String,String[]> map=req.getParameterMap();
        PageBean<Product> pb=productService.search(Integer.parseInt(currentPage),pageSize,map);
        req.setAttribute("pb",pb);
        req.setAttribute("product_name",req.getParameter("product_name"));
        req.setAttribute("product_status",req.getParameter("product_status"));
        req.setAttribute("category_name",req.getParameter("category_name"));
        req.getRequestDispatcher("productList.jsp").forward(req,resp);
    }
}
